OEM Car Charger Vehicle DC Plug-in Lighter Socket Power Adapter USB Cable Compatible with AT&T Samsung Galaxy S 2 Skyrocket (S2 II) Cell Phones. Don't risk a dead battery at the moment when you need your cell phone the most. With the Samsung 700mAhm In-Car Power Charger, you can be sure that your Samsung Galaxy or other micro USB compatible smartphone will always be fully charged and ready to go. The Samsung Vehicle Charger plugs into a 12V cigarette lighter or other 12V socket to charge your smartphone while in the car so you never miss any important calls. Samsung's quick-charging technology powers your phone while it charges its battery, so you can make calls, check your messages or browse the Web while your phone is charging.